Cellular communications services; cellular telephone communication; communication by electronic mail systems; communication by electronic means; communication of data by means of telecommunications; communication of information by electronic means; communication services by electronic means; communication services for the electronic transmission of data; communication services for the transmission of information; communication services for the transmission of information by electronic means; communication services provided electronically; communications by telephone; communications services for the exchange of data in electronic form; data communication by electronic means; data communication services; electronic communication services; electronic communication services for the transmission of data; electronic data communications; electronic transmission of written communications; mobile telephone communication services; provision of communications by telephone; provision of electronic communications facilities; telephone communication services; wireless communication services